To crack this hard nut, I would like to propose several practical recommendations as follows.

为解决这个难题，我想提出如下几个实用的建议。

Sometimes, it is a hard nut to crack without an expert's help.

有时候，没有专家的帮助这是很难破解的问题。

In American English, the saying a hard nut to crack means something hard to understand.

在美式英语中，a hard nut to crack意思是很难理解的事情。

The Yankees were proving a hard nut to crack but they were cracking at last.

北方佬的确是个很难砸开的核桃，可是他们终于在破裂了。

The expression a hard nut to crack can also describe someone who is simply difficult to deal with.

a hard nut to crack这个表达也可以形容某人很难相处，应付。

This case was going to be a hard nut to crack.

这个案子本来就很难破解。

With optimism, the goals we set can be reached, and the hardest nut can be cracked.

拥有乐观，我们才能实现设定的目标，克服难题。

Or we simply do not know how to deal with them. So, we can say he or she is a hard nut to crack.

或者我们只是不知道如何去处理，相处。所以，我们可以说he or she is a hard nut to crack。

Crutches left behind, they have success fully cracked the hard nut of lameness, which might have stumped the majority of the disabled.

他们将拐杖抛在身后，成功地解决了可能困扰大多数残疾人的难题。

She's a bit of a hard nut to crack, so, uh, Simon and Natalie, you guys are gonna go down to the prison and talk to her. - Excuse me?

她有点难啃，那，西蒙和娜塔莉，你们到监狱去跟她谈谈。 -你说什么？

Meantime, he's also issued a warning to those who are hesitating to implement the government's current reform strategy, calling on local officials to " crack hard nuts" who are unwilling to change.

同时，他对那些在实施政府现行改革战略上犹豫不决的人进行了警告，要求地方官员啃下不愿意改革的“硬骨头”。

For old Ewbank hadn't quite appreciated me till then; he was a hard nut, a much older man than myself, and I felt pretty sure he thought me young for the place, and my supposed feat a fluke.

因为老尤班克在那之前还不太欣赏我； 他是个顽固的人， 比我年长得多， 我敢肯定他认为我很年轻， 不适合这个地方， 而我所谓的壮举纯属侥幸。